The Circulatory System in the Earthworm

question 18

Multiple Choice

The circulatory system in the earthworm

• A) Is absent since all respiration is across the epidermis
• B) Is an open system where hemolymph washes through body sinuses
• C) Has a dorsal vessel as the main pumping organ
• D) Has no pumping structure but depends on the action of body muscles to move the blood
• E) Has five pumps that circulate blood first to the gills and then to the rest of the body

---

Definitions:

Milgram Experiment

A psychological experiment conducted by Stanley Milgram in the 1960s to study obedience to authority, where participants were instructed to administer electric shocks to another person.

Stanford University Prison Experiment

A psychological study conducted by Philip Zimbardo in 1971 at Stanford University, where students were assigned roles of prisoners and guards to explore the effects of perceived power.

Generalization

Drawing a conclusion about a certain characteristic of a population based on a sample from it.

Logical Support

The provision of reasons or evidence to justify a claim or argument.